* Makefile.in (integrate.o): Update.
	* c-decl.c (copy_lang_decl): Rename.
	* c-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
	* integrate.c: Include langhooks.h.
	(copy_decl_for_inlining): Update to use langhook.
	* langhooks-def.h (lhd_do_nothing_t,
	LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.c (lhd_do_nothing_t): New.
	* langhooks.h (struct lang_hooks): Add dup_lang_specific_decl.
	* tree.h (copy_lang_decl): Remove.
ada:
	* misc.c (copy_lang_decl): Remove.
cp:
	* class.c (build_clone): Update.
	* cp-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
	* cp-tree.h (cxx_dup_lang_specific_decl): New.
	* lex.c (copy_lang_decl): Rename cxx_dup_lang_specific_decl.
	(copy_decl): Update.
	* method.c (make_thunk): Update.
f:
	* com.c (copy_lang_decl): Delete.
java:
	* decl.c (copy_lang_decl): Rename java_dup_lang_specific_decl.
	* java-tree.h (java_dup_lang_specific_decl): New.
	* lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
objc:
	* objc-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.

From-SVN: r50122